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800G Optical Transceiver Solution in Data Center - AFOPLUS
800G Optical Transceiver Solution in Data Center
Driven by the widespread adoption of cloud services by enterprises, the optical communications industry is experiencing a surge in demand for high-speed network solutions. To this end, leading cloud service providers are actively building and improving hyperscale data centers by equipping them with advanced servers and network solutions. Now, data center operators have an increasing demand for higher bandwidth and faster time to market for new network technologies. Advanced technologies such as the Internet of Things (IoT) and machine learning (ML) require the highest bandwidth for seamless performance. These demands have driven the development of 800G optical technology.
Why should you consider 800G optical modules?
The launch of 800G optical module marks an important milestone in the industry. 800G transceiver have begun to be deployed in hyperscale data centers, which is due to the progress in three key areas: 800G transceiver module and DAC cable, switch ASICs, and the establishment of 800GE standards. These transceiver module meet the growing bandwidth requirements that traditional optical module cannot meet. For edge networks, 800G rates are beginning to replace 400G as the expected optimal data transmission rate. With the emergence of 800G optical module, the demand for 800G fiber modules with high data rates and capacity will continue to increase. For enterprises with stable business growth, 800G upgrades should be considered first.
Key Technology Enablers and Drivers for 800G Optical Modules
PAM4 Modulation
The use of PAM4 modulation in 800G transceiver improves network performance and enables higher data rates, allowing each signal to transmit twice the amount of data compared to traditional NRZ (non-return to zero) modulation used in lower-speed optical modules. PAM4 is a key technology to achieve maximum data rates over the same bandwidth, which is critical to meeting the growing demand for high-speed data transmission. Unlike traditional binary modulation (PAM2), PAM4 modulation encodes four amplitudes per symbol, effectively doubling the data rate. This advancement in optical technology allows for greater bandwidth capacity and supports the growing demand for faster and more efficient data transmission across industries. This enables 800G optical module to achieve data rates of up to 800Gbps on a single optical channel. By leveraging PAM4 modulation, optical networks can transmit more data while using the same channel bandwidth, making it ideal for applications such as data centers and cloud computing.
Silicon Photonics
Silicon photonics is a field of research and technology that focuses on integrating photonics components such as lasers, modulators, and detectors into brick-based integrated circuits (ICs). The demand for higher bandwidth and faster data transmission rates in data centers and telecommunications networks has driven advances in optical communication technology. Upgrading from 400G optical module to 800G optical module requires increasing the capacity and efficiency of optical systems. The use of silicon photonics technology in 800G optical transceiver can increase data rates and improve performance while reducing power consumption and footprint. Overall, silicon photonics plays a vital role in enabling the development and deployment of 800G fiber module by providing a technology platform that combines high performance, scalability, and cost-effectiveness.
800G Optical Transceivers and Cables Solution Use Cases for Data Centers
AFOPLUS is a leading supplier of advanced data center solutions and products, supporting lightning-fast 800Gbps data transmission rates. The emergence of switches using 800G optical technology provides data center operators with practical application possibilities that significantly improve network performance while reducing complexity, cost and power consumption. This development provides valuable opportunities for data centers to enhance operations and provide improved network capabilities.
The following description shows how to improve the utilization of 800G ports to support multiple high-speed connections. 800G 2FR4 transceiver has a connection range of 2km and can provide high-density interfaces to meet various application requirements.
In the configuration above, breakout fiber patch cables are used to effectively double the number of 400GE links supported in a compact 1RU 25.6T switch system. This configuration outperforms the 12.8T system, making it ideal for deployment in a variety of applications. Notably, it can be applied to high-density HPC/ML clusters within data centers as well as ultra-high-definition video processing systems.
Alternatively, the lower configuration uses dual 400GBASE-FR4 links to achieve 800G connectivity. This setup is designed for network deployment in high-performance computing (HPC) systems that support scientific research and other demanding processing applications.
The figure below illustrates the versatility of the 800G ports, which can be used to support 8*100G BASE-DR connections with a span of up to 500m or 100GBASE-FR connections with a span of up to 2km. These configurations are designed to provide high-density 100G interfaces, ideal for upgrading peer/hosted networks and distributed data centers.
The diagram demonstrates 3 different setups: breakout to 8*100GBASE-FR links, breakout to 2*400G connections, or established through 8*100G links. These configurations provide flexible options for network upgrades and meet the requirements of peer-to-peer/managed networks and distributed data centers, where these setups can provide a large number of 100GE network connections to support their growing needs.
Conclusion
The demand for HPC servers has unleashed the amazing power of 800G optical modules, which have improved bandwidth and performance compared to previous generations. Although 400G optical modules are still important in the industry, the field is looking towards more advanced technologies. AFOPLUS's 800G optical modules and DAC cables have stable transmission performance and provide efficient operation and maintenance guarantees.
Due to the significant development of computing power, the demand for optical modules by cloud computing providers will continue to grow. As high-performance computing (HPC), data-intensive applications, cloud platforms, edge computing, and data center construction drive the demand for higher bandwidth and faster data transmission, the 800G optical market brings new opportunities.